If your computer doesn't have built-in Wi-Fi or an ethernet port, or if those connections aren't working properly, you're not stuck without internet. USB ports offer multiple ways to get online, ...
If your Windows laptop's Wi-Fi connection isn't working or the internet keeps disconnecting, there could be several reasons.
If your laptop has an LTE or 5G adapter and thus a fast Internet connection, you can use it as a mobile Wi-Fi hotspot to connect other devices in the vicinity to the Internet, such as your smartphone, ...